426267062681 has 4 divisors (see below), whose sum is σ = 426290118912. Its totient is φ = 426244006452.

The previous prime is 426267062653. The next prime is 426267062701. The reversal of 426267062681 is 186260762624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426267062681 - 2²² = 426262868377 is a prime.

It is a super-2 number, since 2×426267062681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426267062981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11500361 + ... + 11537366.

It is an arithmetic number, because the mean of its divisors is an integer number (106572529728).

Almost surely, 2^426267062681 is an apocalyptic number.

It is an amenable number.

426267062681 is a deficient number, since it is larger than the sum of its proper divisors (23056231).

426267062681 is a wasteful number, since it uses less digits than its factorization.

426267062681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23056230.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 426267062681 in words is "four hundred twenty-six billion, two hundred sixty-seven million, sixty-two thousand, six hundred eighty-one".